V sign

From Longman Dictionary of Contemporary EnglishV signV sign /ˈviː saɪn/ noun [countable]1SIGN/GESTUREa sign meaning peace or victory, made by holding up the first two fingers of your hand with the front of the hand facingforwards2British EnglishSIGN/GESTUREINSULT a rude sign made by holding up the first two fingers of your hand with the back of your hand facing towards another person

Examples from the Corpus

V sign• The girlnearest to the car, noticing the fixity of his stare, responded with a discreetV sign.V-signV-sign /ˈviː saɪn/ noun1a sign made by holding up the first two fingers of your hand with the front of your hand facing forwards. During WorldWar II it was used to mean victory, and it was used again by hippies in the 1960s and 1970s to mean peace.2British English a rude sign used to show that you are angry with someone or do not like them, made by holding up the first two fingers of your hand, with the back of your hand facing towards the person that you are insultingI gave the driver a V-sign.